Fall foam on lakes

In Autumn people sometimes are startled to see lakes covered with what appear to be ice floes and mounds of white snow. But don't worry. It's just a natural phenomenon called fall foam.

http://archive.freep.com/VideoNetwork/645335624001/Fall-foam-on-lakesrtmp://cp81310.edgefcs.net/ondemand/&mp4:brightcove/35547428001/35547428001_645368743001_fall-foam.mp4http://archive.freep.com/VideoNetwork/645335624001/Fall-foam-on-lakeshttp://bcdownload.gannett.edgesuite.net/detroitfreep/35547428001/35547428001_645338627001_ari-origin06-arc-185-1287774048177.jpgFall foam on lakesIn Autumn people sometimes are startled to see lakes covered with what appear to be ice floes and mounds of white snow. But don't worry. It's just a natural phenomenon called fall foam.267fall foamoutdoorssportstaboolaexcludeDFP01:50